Senior Backend Engineer Job at Radix (AZ) (Prishtine)

Senior Backend Engineer

Radix (AZ)

Location:
Kosovo , Prishtine

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Radix is building the most trusted data and analytics platform in multifamily. Joining now means stepping into a place where curiosity wins, ideas move quickly, and your impact shapes an industry. As a Senior Backend Engineer at Radix, you'll design and develop scalable backend systems that power our AI-driven analytics and data-processing pipelines. You'll work on distributed architectures, backend logic, and integrations that support automation, reporting, and intelligent insights across the multifamily space. You'll lead delivery of multi-sprint features, mentor engineers, and shape technical direction for the team.

Job Responsibility:

Build and maintain backend services using Node.js, TypeScript, Python, and .NET Core
Design APIs, data flows, and messaging systems using MongoDB, MSSQL, Redis, RabbitMQ, and AWS SQS
Implement clean, testable architecture using SOLID, CQRS, and DDD principles
Integrate AI-based components (LLM APIs, AI data processors, Excel parsers) into backend systems
Work with AWS services — Lambda, S3, RDS, and CloudWatch — for deployment, storage, and automation
Design resilient, observable services and components
perform profiling and optimization
automate tests across the pyramid
drive defect prevention
Facilitate technical discussions and decisions
align with PM/Design on scope and trade-offs
partner with SRE/Security/Platform to meet SLOs and compliance needs
Own end-to-end outcomes for features/services in production, including on-call readiness and incident follow-ups
Mentor engineers, raise the bar on code reviews, and introduce patterns and standards adopted by the team
Distill complex requirements into coherent designs
anticipate failure modes and plan mitigations
Author concise design docs and post-mortems
communicate trade-offs and decisions to engineers and partners
present to management on scope and schedule
Use AI tools to enhance code quality, documentation, and automation pipelines

Requirements:

5–8 years of backend experience in production systems with a track record of leading significant deliveries
Strong knowledge of API design, asynchronous systems, and microservice architecture
Experience with SQL/NoSQL databases, caching, and messaging patterns
Hands-on experience with AWS cloud services (Lambda, S3, SQS, ECS, RDS)
Understanding of AI/LLM integration and prompt engineering fundamentals
Depth in backend development and breadth across the stack
performs all work with high quality, bugs are rare
unit tests most code
Skilled in debugging across the codebase
works through ambiguity and creates plans/estimates
Fluent with observability (logs, metrics, traces), threat modeling, and production readiness checklists
Strong problem-solving skills, ownership, and attention to system design quality
Ability to coordinate work spanning multiple components/teams and sequence delivery and dependencies effectively
Degree or equivalent experience
ongoing training in architecture, cloud, security, and performance engineering

What we offer:

Medical, dental and vision coverage designed to support your wellbeing
Pre-IPO Equity
Performance Bonus
Learn From the Best
Build Category-Defining Products

Additional Information:

Job Posted:
January 09, 2026

Radix (AZ) - All Job Offers

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